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Front Cover Graphics 1. E-RECOV developed by Dr. Tedd Lister to recover valuable rare earth elements from discarded electronics, which was named a National Innovation Awardee by TechConnect and won an FLC Far West Regional Award for “Outstanding Technology Development” in FY 2016. 2. Dr. Rebecca Fushimi operates the new Temporal Analysis of Products (TAP) reactor system at CAES. In FY 2016, DOE established the Transient Kinetics Industry Portal, a user facility-like program, to provide researchers from industry and academia access to INL’s unique TAP expertise. INL is now home to two of the three TAP reactors in the U.S. 3. Aaron Craft, Research Scientist at MFC, and Mike Ruddell, Senior Reactor Operator of the NRAD reactor at the Hot Fuel Examination Facility. Aaron and Mike are in the reactor room looking down at the NRAD core 6 feet beneath them under water. NRAD recently doubled its production capacity for neutron radiographs from seven to fourteen radiographs per day. Another project recently produced the first fully digital neutron radiographs ever acquired at INL. DISCLAIMER This information was prepared as an account of work sponsored by an agency of the U.S. Government. Neither the U.S. Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness, of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. References herein to any specific commercial product, process, or service by trade name, trade mark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the U.S. Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the U.S. Government or any agency thereof. EXECUTIVE SUMMARY In fiscal year (FY) 2016, Idaho National Laboratory’s (INL) leadership in nuclear energy research development, demonstration, and deployment (RDD&D) resulted in a paradigm shift solidifying the role nuclear energy will play as a part of the nation’s clean energy strategy. INL led the development of the plan for the Gateway for Accelerated Innovation in Nuclear (GAIN) and was named by the Department of Energy (DOE) Office of Nuclear Energy (NE) as the lead integration laboratory. As a result of the collaboration between INL, DOE-NE, NuScale™, and the Utah Associated Municipal Power Systems, a 35-acre area at the INL Site was selected for the construction of the nation’s first full-scale Small Modular Reactor (SMR), which will result not only in regional clean energy, but also enable groundbreaking research in hybrid energy systems at INL. INL’s continuing research for the National Nuclear Security Administration’s Global Threat Reduction Initiative was highlighted in a 2016 manuscripta from The National Academies of Sciences, Engineering, and Medicine. The achievements on this program culminated this year in Japan’s divestiture of weaponizable plutonium within their nuclear energy program, as well as enabling the advancement of nuclear energy through enhancement to nuclear security and safeguards through international nuclear-cybersecurity support for the International Atomic Energy Agency (IAEA) and Republic of Korea (ROK). INL Fellow Bruce Mincher’s research with the University of North Carolina, featured in Science Magazine,b resulted in a new oxidation technique with the potential to help resolve spent fuel challenges. Lastly, nine out of 15 of INL’s Technology Commercialization Fund proposals, which focused on making cutting edge nuclear, clean energy and national security research technology available to industry, were selected for investment in 2016. In FY 2016, the management structure of the Laboratory was changed significantly with a new laboratory director in place with new strategic goals; the number of deputy laboratory directors was reduced from three to two, and the two associate laboratory directors (ALDs) established in FY 2015 to manage the Advanced Test Reactor (ATR) and Materials and Fuels Complex (MFC), respectively, completed their first full year with notable improvements in the facilities’ contributions to research and operations safety. INL programs and projects continued to successfully address pressing issues and needs of DOE and the broader nuclear energy and national security community, even as the energy and security landscape in the United States (U.S.) experiences rapid changes. The breadth of INL research programs demonstrated the importance of INL in DOE’s and in particular, DOE-NE’s science and technology missions. INL played a major role in the initiation of GAIN—now a major DOE-NE program led by the Laboratory. GAIN has begun to provide the nuclear community with access to technical, regulatory, and financial support necessary to move new or advanced nuclear reactor designs toward commercialization while ensuring the continued safe, reliable, and economic operation of the existing nuclear fleet. For example, under GAIN, INL helped design and implement a $2 million Nuclear Energy Voucher pilot program that assists new entrants into the nuclear field with access to nuclear research capabilities available at DOE national laboratories and Nuclear Science User Facilities (NSUF) partners. INL partnered with Third Way, Argonne National Laboratory, and Oak Ridge National Laboratory to host the first Advanced Nuclear Summit and Showcase. During the Summit, INL Laboratory Director Mark Peters a National Academies of Sciences, Engineering, and Medicine, Reducing the Use of Highly Enriched Uranium in Civilian Research Reactors, Washington, DC: The National Academies Press, 2016. b Dares, C. J., A. M. Lapides, B. J., Mincher, T. J. Meyer, “Low potential electrochemical oxidation of 243Am(III) in nitric acid by a derivatized, high surface area metal oxide electrode,” Science, November 5, 2015, www.sciencemag.org. iii played a notable role, moderating and participating in multiple panel discussions on the future of advanced nuclear energy, the role of private capital, and the federal government’s role in nuclear innovation. The Summit established a vision of how national laboratories, the federal government, and industry can work together to foster growth in the advanced nuclear energy sector. Another success of GAIN includes INL’s agreement with Southern Company Services to cooperatively address key Nuclear Regulatory Commission policy and licensing technical issues that are currently restraining advanced reactor development and deployment. This INL-supported Southern Company Services effort is drawing heavily on the expertise of the Southern Nuclear Company and other well-respected industry stakeholders to bring focus and committed industry action to these critical topics. The INL-led Light Water Reactor Sustainability (LWRS) program received strong accolades and continues to be pursued in support of the domestic nuclear industry, but with most technical issues associated with the current fleet having been solved, the program emphasis has started to shift to license extensions beyond 60 years and economic improvements. INL completed irradiation of the Electric Power Research Institute (EPRI)-3 test train—the first project to utilize the reactivated ATR Loop 2A. The EPRI-3 irradiation consisted of two full ATR irradiation cycles with an approximate 2-year delay between cycles, during which a flow restriction issue in the experiment was resolved. With completion of all three test train irradiations, an NSUF project team can perform post-irradiation examination (PIE), including Irradiation Assisted Stress Corrosion Cracking (IASCC) tests, fracture toughness tests, tensile tests, and Transmission Electron Microscope (TEM) examination. The data obtained is expanding the very sparse data set available for IASCC of reactor structural materials and will help the EPRI Boiling Water Reactor- Vessel Internals Project determine inspection and replacement intervals for critical reactor components. This project represents a major step toward recognition of INL as a premier contributor to irradiated materials characterization in support of LWRS and safety. The project set a precedent for future NSUF- industry interactions by demonstrating viability of Loop 2A and the IASCC testing capability. Atomic-scale imaging was demonstrated using the new Titan TEM installed in the Irradiated Materials Characterization Laboratory (IMCL). The imaging proves the fundamental stability of the IMCL platform with respect to vibration and electromagnetic interference. The state-of-the-art ultrafast chemical analysis capabilities allow the Titan TEM to perform nanoscale chemical analysis in a fraction of the time required by previous generation systems. In FY 2016, INL took more significant steps to enable deployment of the first U.S. SMR by expanding its technical and siting support to NuScale™ and the Utah Associated Municipal Power Systems with the plan to site the first SMR at INL, which presents a positive development in the deployment of new nuclear in the U.S. The Advanced Fuel Development program also continued to be pursued, with major emphasis continuing on the Accident-Tolerant Fuels program. The advanced modeling and simulation activities continued to grow from the MOOSE platform and several newer codes derived from MOOSE are being applied to a multitude of nuclear materials modeling challenges.

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